:root {
  --fg: #1a1a1a;
  --muted: #666;
  --bg: #fafaf7;
  --accent: #3b5bdb;
  --rule: #ddd;
  --max: 40rem;
  --font: Georgia, 'Times New Roman', Times, serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.6;
}

body {
  padding: 2rem 1.25rem 4rem;
  max-width: var(--max);
  margin: 0 auto;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: baseline;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.site-title {
  font-weight: 600;
  color: var(--fg);
  margin-right: auto;
}

.site-nav { display: flex; gap: 1rem; }
.lang-switcher { color: var(--muted); }
.lang-switcher strong { color: var(--fg); font-weight: 600; }

h1, h2, h3 { font-family: var(--font-ui); line-height: 1.25; }
h1 { font-size: 1.8rem; margin-top: 0; }

.essay-list { margin: 0; }
.essay-list dt {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--muted);
  margin-top: 1.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--rule);
}
.essay-list dd { margin: 0.5rem 0 0; }
.essay-list ul { list-style: none; padding: 0; margin: 0; }
.essay-list li { padding: 0.25rem 0; }
.essay-list a { color: var(--fg); }
.essay-list a:hover { color: var(--accent); text-decoration: underline; }

.essay > header time {
  display: block;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.essay-body > :first-child { margin-top: 0; }
.essay-body p,
.about-body p {
  text-align: justify;
  hyphens: auto;
}

.first-published {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-style: italic;
}

code, pre { font-family: 'SF Mono', Menlo, Consolas, monospace; }
pre { padding: 1rem; background: #f0ede6; overflow-x: auto; }
code { background: #f0ede6; padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.9em; }
pre code { background: none; padding: 0; }